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Trans Main Drive gear 35065-65B vs 35067-77

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panhead_kicker
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Trans Main Drive gear 35065-65B vs 35067-77

#1

Post by panhead_kicker » Thu Dec 02, 2010 4:10 am

I understand from Palmers that the later Main drive gear 35065-65b is interchangeable and actually preferable to the earlier gears. I am wondering what differences exist with the even later gear 35067-77, and whether it may also be directly interchangeable?



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Re: Trans Main Drive gear 35065-65B vs 35067-77

#2

Post by Perry Ruiter » Thu Dec 02, 2010 6:41 am

The factory changed from a race with 44 loose rollers to essentially a large needle bearing for the main drive gear. The -77 gear is for the needle bearing rather than loose rollers and is not interchangeable ... Perry

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Re: Trans Main Drive gear 35065-65B vs 35067-77

#3

Post by panhead_kicker » Thu Dec 02, 2010 4:47 pm

Perry Ruiter wrote:-77 gear is for the needle bearing rather than loose rollers and is not interchangeable ... Perry
Thanks Perry, that helped me out.

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Re: Trans Main Drive gear 35065-65B vs 35067-77

#4

Post by RUBONE » Thu Dec 02, 2010 6:22 pm

Actually the '77 part will fit earlier transmissions but requires all the associated parts. Case bushings, shaft, retainer, etc.
Robbie

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Re: Trans Main Drive gear 35065-65B vs 35067-77

#5

Post by Perry Ruiter » Fri Dec 03, 2010 8:11 am

RUBONE wrote:Actually the '77 part will fit earlier transmissions but requires all the associated parts. Case bushings, shaft, retainer, etc.
Robbie
We're talking main drive gear not counter shaft cluster ... Perry

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